Move to GitHub Actions (#26) #2

	name: Documentation

	on:
	push:
	branches:
	- master

	jobs:
	deploy:
	runs-on: ubuntu-latest
	container:
	image: crystallang/crystal:latest-alpine
	steps:
	- uses: actions/checkout@v4
	- name: Build
	run: crystal docs -o /docs
	- name: Deploy
	run: \|
	git config user.name CI
	git config user.email ""
	git checkout -f --orphan gh-pages
	git rm --cached -rfq .
	git clean -fxdq
	mv /docs/* .
	git add .
	git commit -qm "Update docs"
	git push -f --set-upstream origin gh-pages

Provide feedback